NewAmsterdam Pharma Co N.V.
NAMSW- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001936258
In the last 90 days, NewAmsterdam Pharma Co N.V. insiders filed 1 open-market purchase and 3 sales; 9 institutions reported holding it in 13F filings for Q2 2026, worth $28.1M in total; no superinvestor holds it.
Other share classesNAMS
13F holders, Q4 2022
Institutional positions in NewAmsterdam Pharma Co N.V. as of Dec 31, 2022. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 22
- +22 vs. Q3 2022
- Shares held
- 1.93M
- +1.93M vs. Q3 2022
- Total value
- $1.91M
- +$1.91M vs. Q3 2022
- New holders
- 22
- 0 more added
- Sold out
- 0
- 0 more reduced
Compare with Q3 2022: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting NAMSW on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 9 | $28.1M |
| Q1 2026 | 9 | $26.0M |
| Q4 2025 | 9 | $29.9M |
| Q3 2025 | 9 | $22.2M |
| Q2 2025 | 10 | $10.4M |
| Q1 2025 | 10 | $12.3M |
| Q4 2024 | 11 | $18.8M |
| Q3 2024 | 11 | $9.32M |
| Q2 2024 | 10 | $11.5M |
| Q1 2024 | 11 | $15.9M |
| Q4 2023 | 18 | $4.91M |
| Q3 2023 | 19 | $2.88M |
| Q2 2023 | 19 | $3.94M |
| Q1 2023 | 19 | $4.12M |
| Q4 2022 | 22 | $1.91M |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 1 | $35.5K |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q4 2022
Shares, value and share of portfolio for each institution holding NewAmsterdam Pharma Co N.V.; share changes are against Q3 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| UBS Group AG | 1,076 | $936 | 0.00% | +1,076 | New |
| Wolverine Asset Management LLC | 1,462 | $1.27K | 0.00% | +1,462 | New |
| Mint Tower Capital Management B.V. | 6,533 | $6.00K | 0.00% | +6,533 | New |
| DuPont Capital Management Corp | 8,333 | $6.67K | 0.00% | +8,333 | New |
| Vestcor Inc | 9,632 | $8.00K | 0.00% | +9,632 | New |
| Laurion Capital Management LP | 16,666 | $13.3K | 0.00% | +16,666 | New |
| Walleye Trading LLC | 16,356 | $14.2K | 0.00% | +16,356 | New |
| Caxton Corp | 21,333 | $17.8K | 0.05% | +21,333 | New |
| HRT Financial LP | 30,321 | $24.0K | 0.00% | +30,321 | New |
| Walleye Capital LLC | 28,388 | $24.6K | 0.00% | +28,388 | New |
| Westchester Capital Management, LLC | 31,189 | $25.0K | 0.00% | +31,189 | New |
| PEAK6 Investments LLC | 40,033 | $34.8K | 0.00% | +40,033 | New |
| Castle Creek Arbitrage, LLC | 51,520 | $43.0K | 0.00% | +51,520 | New |
| Deerfield Management Company, L.P. (Series C) | 92,787 | $80.6K | 0.00% | +92,787 | New |
| Bain Capital Life Sciences Investors, LLC | 100,000 | $86.0K | 0.01% | +100,000 | New |
| Exos TFP Holdings LLC | 137,317 | $119.2K | 0.03% | +137,317 | New |
| Ensign Peak Advisors, Inc | 150,000 | $120.0K | 0.00% | +150,000 | New |
| Ra Capital Management, L.P. | 333,333 | $289.4K | 0.01% | +333,333 | New |
| Frazier Life Sciences Management, L.P. | 500,333 | $434.3K | 0.03% | +500,333 | New |
| Highbridge Capital Management LLC | – | $564.0K | 0.02% | – | New |
| Alyeska Investment Group, L.P. | 285,105 | – | – | +285,105 | New |
| EcoR1 Capital, LLC | 66,665 | – | – | +66,665 | New |